<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>ArrowFunction</title>
</head>
<body>

<script type='text/javascript'>
    "use strict"
    window.onload = function() {
        let a = `is this you pen?
        yes,it's me
        `
        console.log(a);

        var b = "is this you pen?\n yes,it's me";
        console.log(b);

        var c = ['is this you pen?','yes,it\'s me'];
        console.log(c.join('\n'));

        let v_name = 'zhangjianling';
        let v_s = `is your name ${v_name}`;
        console.log(v_s);
        let name = 'zhangjianling';
        $("body").append(`<div title=${name}>${name}</div>`);
    }
</script>
</body>
</html>